修改对木粉/PBAT生物复合材料性能的影响
Wangwang Yu1,2, Rui Qiu2,3, Wen Lei2
1School of Mechanical Engineering, Nanjing Vocational University of Industry Technology, Nanjing 210023, China.
Polymers
|March 13, 2025
概括
用化,乙化或合剂等处理方法对木粉 (WF) 进行修改,可显著增强聚 (丁基酸盐-联合甲酸盐) (PBAT) 复合材料的机械和热性能,同时降低吸水率.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物科学 聚合物科学
- 复合材料 复合材料 复合材料
背景情况:
- 聚 (丁烯基酸盐-联合甲酸盐) (PBAT) 是一种可生物降解的聚合物,在可持续材料中具有潜在的应用.
- 木粉 (WF) 是一种丰富且可再生的天然填充剂,可用于加强聚合物复合材料.
- 提高WF和PBAT之间的界面兼容性对于开发高性能复合材料至关重要.
研究的目的:
- 调查不同表面修改对木粉 (WF) 对WF/PBAT复合材料性能的影响.
- 评估已修改的WF/PBAT复合材料的机械,热和吸水特性.
- 确定最佳的修改方法,以提高复合材料的性能.
主要方法:
- 木面粉 (WF) 经过化,乙化和合剂处理进行了修饰.
- 使用挤出机制造WF/PBAT复合材料,随后进行注塑成型工艺.
- 评估了机械性能 (拉力,曲,冲击强度),热性能 (降解温度,结晶性),吸水性和疏水性 (接触角度).
主要成果:
- 与未经处理的WF/PBAT复合材料相比,所有WF修改都改善了机械性能,界面粘合和热稳定性.
- 经过修改的WF/PBAT复合材料表现出明显较低的吸水率.
- 合剂处理在模量,强度,热性能和疏水性方面表现出最显著的改善,除了拉伸强度,断裂时的延长和水吸收.
结论:
- 木面粉的表面修改是提高WF/PBAT复合材料性能的一个有效策略.
- 合剂处理为开发具有改进性质的先进,可持续的木塑复合材料提供了一个有前途的途径.
- 这些增强复合材料有潜力用于需要耐用和环保材料的各种应用.
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